linux-kernel - [PATCH v2 2/7] dt-bindings: clk: mstar msc313 mpll binding description

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Message-Id: <20210211052206.2955988-3-daniel@0x0f.com>
Date:   Thu, 11 Feb 2021 14:22:01 +0900
From:   Daniel Palmer <daniel@...f.com>
To:     linux-clk@...r.kernel.org, sboyd@...nel.org,
        devicetree@...r.kernel.org
Cc:     w@....eu, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Daniel Palmer <daniel@...f.com>
Subject: [PATCH v2 2/7] dt-bindings: clk: mstar msc313 mpll binding description

Add a binding description for the MStar/SigmaStar MPLL clock block.

Signed-off-by: Daniel Palmer <daniel@...f.com>
---
 .../bindings/clock/mstar,msc313-mpll.yaml     | 46 +++++++++++++++++++
 MAINTAINERS                                   |  1 +
 2 files changed, 47 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/mstar,msc313-mpll.yaml

diff --git a/Documentation/devicetree/bindings/clock/mstar,msc313-mpll.yaml b/Documentation/devicetree/bindings/clock/mstar,msc313-mpll.yaml
new file mode 100644
index 000000000000..0df5d75d4ebc
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/mstar,msc313-mpll.yaml
@@ -0,0 +1,46 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/mstar,msc313-mpll.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MStar/Sigmastar MSC313 MPLL
+
+maintainers:
+  - Daniel Palmer <daniel@...ngy.jp>
+
+description: |
+  The MStar/SigmaStar MSC313 and later ARMv7 chips have an MPLL block that
+  takes the external xtal input and multiplies it to create a high
+  frequency clock and divides that down into a number of clocks that
+  peripherals use.
+
+properties:
+  compatible:
+    const: mstar,msc313-mpll
+
+  "#clock-cells":
+    const: 1
+
+  clocks:
+    maxItems: 1
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - "#clock-cells"
+  - clocks
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    mpll@...000 {
+        compatible = "mstar,msc313-mpll";
+        reg = <0x206000 0x200>;
+        #clock-cells = <1>;
+        clocks = <&xtal>;
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index 0622ff96ca2a..d004436c8860 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2145,6 +2145,7 @@ L:	linux-arm-kernel@...ts.infradead.org (moderated for non-subscribers)
 S:	Maintained
 W:	http://linux-chenxing.org/
 F:	Documentation/devicetree/bindings/arm/mstar/*
+F:	Documentation/devicetree/bindings/clock/mstar,msc313-mpll.yaml
 F:	Documentation/devicetree/bindings/gpio/mstar,msc313-gpio.yaml
 F:	arch/arm/boot/dts/mstar-*
 F:	arch/arm/mach-mstar/
-- 
2.30.0.rc2